CVE-2025-0476

Name: CVE-2025-0476
Creator: NVD / NIST
Published: 2025-01-16T00:15:25.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2025-0476 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any user who opened a channel containing the specially crafted attachment. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any user who opened a channel containing the specially crafted attachment

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.35%

27.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1287

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Mobile	< 2.23.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Jan 16, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-0476?

How severe is CVE-2025-0476?

CVE-2025-0476 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2025-0476?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-0476?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST